package com.boxuegu.sqlite;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;


public class SQLiteHelper extends SQLiteOpenHelper {
    private static final int DB_VERSION=1;//数据库版本号
    public static String DB_NAME="bxg.db";//数据库名称

    public static final String U_USERINFO="userinfo";//用户信息表的名称

    public static final String U_VIDEO_PLAY_LIST ="videoplaylist";//视频播放列表

    public SQLiteHelper(Context context) {
        super(context, DB_NAME, null, DB_VERSION);
    }

    @Override
    public void onCreate(SQLiteDatabase sqLiteDatabase) {
        //创建用户信息表
        sqLiteDatabase.execSQL("CREATE TABLE IF NOT EXISTS " + U_USERINFO + "( " +
                "_id INTEGER PRIMARY KEY AUTOINCREMENT, "
                + "userName VARCHAR,"  //用户名
                + "nickName VARCHAR,"  //昵称
                + "sex VARCHAR,"       //性别
                + "signature VARCHAR"  //签名
                + ")" );
        //创建视频播放记录信息表
        sqLiteDatabase.execSQL("CREATE TABLE IF NOT EXISTS " + U_VIDEO_PLAY_LIST + "(" +
                "_id INTEGER PRIMARY KEY AUTOINCREMENT, "
                + "userName VARCHAR, "//用户名
                + "chapterId INT, "//章节Id号
                + "videoId INT, "//视频Id号
                + "videoPath VARCHAR, "//视频地址
                + "chapterName VARCHAR, "//视频章节名称
                + "videoName VARCHAR, "//视频名称
                + "videoIcon VARCHAR"//视频图标
                + ")");
    }
//当数据库版本号增加时，程序会调用此方案
    @Override
    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int oldVersion, int newVersion) {
        sqLiteDatabase.execSQL("DROP TABLE IF EXISTS " + U_USERINFO);
        sqLiteDatabase.execSQL("DROP TABLE IF EXISTS " + U_VIDEO_PLAY_LIST);
        onCreate(sqLiteDatabase);
    }
}
